In a link from Dynamically Typed today, there's a new presentation about Creating Rich Applications with Mozilla, XUL, and AMP Technology (Mozilla-based browser needed to view).

Not only is it a nice walk though of XUL and how to hook it up with PHP via XML-RPC, the presentation viewer itself is xool (just don't click "load slides" more than once ;) ).

It's a pretty slick intro to the world on XUL, and it gives quite a few sample items for you to look over, learn from, and adapt to your own pages. Now, if we can just get more people to migrate to Mozilla...